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Tang Band W4-1879 4" Full-Range Driver

Tang Band
Part #264-903

Tang Band W4-1879 4" Full-Range Driver

Tang Band
Part #264-903  
Model: W4-1879
The Tang Band W4-1879 full-range driver features an underhung neodymium motor design that provides extended, linear response while reducing 2nd and 3rd harmonic distortion.
Key Features
  • Full-range capability
  • Underhung voice coil
  • Neodymium magnet structure
  • Extremely low harmonic distortion
  • Bamboo fiber paper cone
  • Durable foam rubber surround
  • Unique aluminum phase plug
Your Price: $229.95
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MSRP: $357.99
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Overview

Tang Band W4-1879 4" Full-Range Driver

The Tang Band W4-1879 full-range driver features an underhung neodymium motor design that provides extended, linear response while reducing 2nd and 3rd harmonic distortion. The bamboo/paper cone is lightweight yet appropriately rigid and is terminated with a durable foam rubber half roll surround. A unique aluminum phase plug improves dispersion at the speaker's higher frequencies.

Specifications: • Power handling: 25 watts RMS/30 watts max • VCdia: 1" • Impedance: 8 ohms • Re: 6.3 ohms • Frequency range: 55-20,000 Hz • Fs: 55 Hz • SPL: 87 dB 1W/1m • Vas: 0.32 cu. ft. • Qms: 2.68 • Qes: 0.51 • Qts: 0.43 • Xmax: 5 mm • Dimensions: Overall diameter: 4.94", Cutout diameter: 3.76", Depth: 3.19".

Product Details

BrandTang Band
ModelW4-1879
Part Number264-903
UPC844632088391
Unit of MeasureEach
Weight3.65

Product Specifications

Nominal Diameter4"
Bolt Circle Diameter4.53
Power Handling (RMS)25 Watts
Power Handling (MAX)50 Watts
Impedance8Ω
Frequency Response55 to 20,000Hz
Sensitivity87dB 2.83V/1m
Voice Coil Diameter1"

Thiele-Small Parameters

Resonant Frequency (Fs)55Hz
DC Resistance (Re)6.3Ω
Voice Coil Inductance (Le)0.025mH
Mechanical Q (Qms)2.68
Electromagnetic Q (Qes)0.51
Total Q (Qts)0.43
Compliance Equivalent Volume (Vas)0.32ft³
BL Product (BL)4.19T·m
Diaphragm Mass Inc. Airload (Mms)4g
Maximum Linear Excursion (Xmax)5mm
Surface Area of Cone (Sd)57cm²

Materials of Construction

Cone MaterialWood Fiber
Surround MaterialRubber
Basket / Frame MaterialCast Aluminum
Magnet MaterialNeodymium

Mounting Information

Overall Outside Diameter4.94"
Baffle Cutout Diameter3.76"
Depth3.18"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.15ft³
Sealed F3101.2Hz
Vented Volume0.3ft³
Vented F354.9Hz

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